Chemistries are taken from ASTM A213 and ASTM A312 specification unless otherwise noted.
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Alloy 309 |
Alloy 309S |
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(UNS S30900) |
(UNS S30908) |
| C |
0.20 |
0.08 |
| Mn |
2.00 |
2.00 |
| P |
0.045 |
0.045 |
| S |
0.030 |
0.030 |
| Si |
0.75 |
0.75 |
| Cr |
22.00 min/24.00 max |
22.00 min/24.00 max |
| Ni |
12.00 min/15.00 max |
12.00 min/15.00 max |
| Fe |
Balance |
Balance |
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Alloy 310 |
Alloy 310S |
| |
(UNS S31000) |
(UNS S31008) |
| C |
0.25 |
0.08 |
| Mn |
2.00 |
2.00 |
| P |
0.045 |
0.045 |
| S |
0.030 |
0.030 |
| Si |
1.75 |
1.50 |
| Cr |
24.00 min/26.00 max |
24.00 min/26.00 max |
| Ni |
19.00 min/22.00 max |
19.00 min/22.00 max |
| Fe |
Balance |
Balance |
Alloy composition – all values in weight percent, maximum levels unless a range is specified.
Back to 310S
General Properties
Chemical Composition
Aqueous Corrosion Resistance
Physical Properties
Typical Short-Term Mechanical Properties
Elevated Temperature Oxidation Resistance
Heat Treatment
Fabrication Characteristics
Application
Welding
Other Forms of Degradation
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